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Zhao Y, Shi Y, Shen S, Zhang Y, Wei G, Jin X. Plasma Circulating Cell-Free DNA Facilitated the Detection of an Alveolar Echinococcosis Patient Initially Misdiagnosed as Cystic Echinococcosis: A Case Report. Trop Med Infect Dis 2024; 9:88. [PMID: 38668549 PMCID: PMC11054191 DOI: 10.3390/tropicalmed9040088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 04/09/2024] [Accepted: 04/15/2024] [Indexed: 04/29/2024] Open
Abstract
Echinococcosis, especially alveolar echinococcosis (AE), is becoming an emerging/re-emerging disease with a growing number of cases reported globally. The diagnosis of echinococcosis is based mainly on imaging, which may be challenging when the image presentation is atypical. We reported one patient with suspected cystic echinococcosis (CE) by imaging. The cell-free DNA (cfDNA) obtained from sequencing the patient's plasma before the operation showed that this patient probably had AE with 45 reads mapped to the Echinococcus multilocularis reference genome (Read-Pairs Per Million = 0.24). The patients underwent surgery, and the pathological result showed that the patient had AE. The conventional polymerase chain reaction (PCR) of her lesion sample extraction also indicated that the infection was caused by Echinococcus multilocularis. The follow-up ultrasound after three months indicated no recurrence. We demonstrated that the differentiation of CE and AE by imaging may not be that easy, with further elaboration on the differentiation between AE and CE in different aspects. We demonstrated that it is possible to use patients' plasma cfDNA mapped to Echinococcus references before the operation to obtain the objective clue of the lesion to facilitate diagnosis.
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Affiliation(s)
- Yanping Zhao
- BGI Research, Shenzhen 518083, China; (Y.Z.); (Y.Z.)
- Department of Hepatobiliary Surgery II, The People’s Hospital of Ganzi Tibetan Autonomous Prefecture, Kangding 626000, China;
| | - Yiyang Shi
- Department of Hepatobiliary Surgery II, The People’s Hospital of Ganzi Tibetan Autonomous Prefecture, Kangding 626000, China;
| | - Shu Shen
- Department of Liver Surgery, West China Hospital of Sichuan University, Chengdu 610041, China;
| | - Yan Zhang
- BGI Research, Shenzhen 518083, China; (Y.Z.); (Y.Z.)
| | - Gengfu Wei
- Department of Hepatobiliary Surgery II, The People’s Hospital of Ganzi Tibetan Autonomous Prefecture, Kangding 626000, China;
| | - Xin Jin
- BGI Research, Shenzhen 518083, China; (Y.Z.); (Y.Z.)
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Zhang Y, Liu R, Li J, Ma H, Bao W, Jiang J, Guo C, Tan D, Cheng X, Dai L, Ming Y. Circulating cell-free DNA as a biomarker for diagnosis of Schistosomiasis japonica. Parasit Vectors 2024; 17:114. [PMID: 38449022 PMCID: PMC10918879 DOI: 10.1186/s13071-024-06203-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 02/16/2024] [Indexed: 03/08/2024] Open
Abstract
BACKGROUND Schistosomiasis, a neglected tropical disease, remains an important public health problem. Although there are various methods for diagnosing schistosomiasis, many limitations still exist. Early diagnosis and treatment of schistosomiasis can significantly improve survival and prognosis of patients. METHODOLOGY Circulating cell-free (cf)DNA has been widely used in the diagnosis of various diseases. In our study, we evaluated the diagnostic value of circulating cfDNA for schistosomiasis caused by Schistosoma japonicum. We focused on the tandem sequences and mitochondrial genes of S. japonicum to identify highly sensitive and specific targets for diagnosis of Schistosomiasis japonica. RESULTS Through data screening and analysis, we ultimately identified four specific tandem sequences (TD-1, TD-2, TD-3. and TD-4) and six mitochondrial genes (COX1(1), COX1(2), CYTB, ATP6, COX3, and ND5). We designed specific primers to detect the amount of circulating cfDNA in S. japonicum-infected mouse and chronic schistosomiasis patients. Our results showed that the number of tandem sequences was significantly higher than that of the mitochondrial genes. A S. japonicum infection model in mice suggested that infection of S. japonicum can be diagnosed by detecting circulating cfDNA as early as the first week. We measured the expression levels of circulating cfDNA (TD-1, TD-2, and TD-3) at different time points and found that TD-3 expression was significantly higher than that of TD-1 or TD-2. We also infected mice with different quantities of cercariae (20 s and 80 s). The level of cfDNA (TD-3) in the 80 s infection group was significantly higher than in the 20 s infection group. Additionally, cfDNA (TD-3) levels increased after egg deposition. Meanwhile, we tested 42 patients with chronic Schistosomiasis japonica and circulating cfDNA (TD-3) was detected in nine patients. CONCLUSIONS We have screened highly sensitive targets for the diagnosis of Schistosomiasis japonica, and the detection of circulating cfDNA is a rapid and effective method for the diagnosis of Schistosomiasis japonica. The levels of cfDNA is correlated with cercariae infection severity. Early detection and diagnosis of schistosomiasis is crucial for patient treatment and improving prognosis.
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Affiliation(s)
- Yu Zhang
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
- Engineering and Technology Research Center for Transplantation Medicine, of National Health Commission, Changsha, Hunan, China
- Hunan Province Clinical Research Center for Infectious Diseases, Changsha, Hunan, China
| | - Rangjiao Liu
- Sanway Clinical Laboratories, Changsha, Hunan, China
| | - Junhui Li
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
- Engineering and Technology Research Center for Transplantation Medicine, of National Health Commission, Changsha, Hunan, China
- Hunan Province Clinical Research Center for Infectious Diseases, Changsha, Hunan, China
| | - Hongchang Ma
- Sansure Biotech Incoporation, Changsha, Hunan, China
| | - Wenjuan Bao
- Sanway Clinical Laboratories, Changsha, Hunan, China
| | - Jie Jiang
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
- Engineering and Technology Research Center for Transplantation Medicine, of National Health Commission, Changsha, Hunan, China
- Hunan Province Clinical Research Center for Infectious Diseases, Changsha, Hunan, China
| | - Chen Guo
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
- Engineering and Technology Research Center for Transplantation Medicine, of National Health Commission, Changsha, Hunan, China
- Hunan Province Clinical Research Center for Infectious Diseases, Changsha, Hunan, China
| | - Deyong Tan
- Sansure Biotech Incoporation, Changsha, Hunan, China
| | - Xing Cheng
- Sansure Biotech Incoporation, Changsha, Hunan, China
| | - Lizhong Dai
- Sansure Biotech Incoporation, Changsha, Hunan, China.
| | - Yingzi Ming
- Transplantation Center, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China.
- Engineering and Technology Research Center for Transplantation Medicine, of National Health Commission, Changsha, Hunan, China.
- Hunan Province Clinical Research Center for Infectious Diseases, Changsha, Hunan, China.
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Habibi B, Gholami S, Bagheri A, Fakhar M, Moradi A, Khazeei Tabari MA. Cystic echinococcosis microRNAs as potential noninvasive biomarkers: current insights and upcoming perspective. Expert Rev Mol Diagn 2023; 23:885-894. [PMID: 37553726 DOI: 10.1080/14737159.2023.2246367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/18/2023] [Accepted: 08/07/2023] [Indexed: 08/10/2023]
Abstract
INTRODUCTION Echinococcosis, also known as hydatidosis, is a zoonotic foodborne disease occurred by infection with the larvae of Echinococcus spp. which can lead to the development of hydatid cysts in various organs of the host. The diagnosis of echinococcosis remains challenging due to limited diagnostic tools. AREAS COVERED In recent years, microRNAs (miRNAs) have emerged as a promising biomarker for various infectious diseases, including those caused by helminths. Recent studies have identified several novel miRNAs in Echinococcus spp. shedding light on their essential roles in hydatid cyst host-parasite interactions. In this regard, several studies have shown that Echinococcus-derived miRNAs are present in biofluids such as serum and plasma of infected hosts. The detection of these miRNAs in the early stages of infection can serve as an early prognostic and diagnostic biomarker for echinococcosis. EXPERT OPINION The miRNAs specific to Echinococcus spp. show great potential as early diagnostic biomarkers for echinococcosis and can also provide insights into the pathogenesis of this disease. This review attempts to provide a comprehensive overview of Echinococcus-specific miRNAs, their use as early diagnostic biomarkers, and their function in host-parasite interactions.
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Affiliation(s)
- Bentolhoda Habibi
- Department of Parasitology, Toxoplasmosis Research Center, Mazandaran Registry Center for Hydatid Cyst, Mazandaran University of Medical Sciences, Sari, Iran
| | - Shirzad Gholami
- Department of Parasitology, Toxoplasmosis Research Center, Mazandaran Registry Center for Hydatid Cyst, Mazandaran University of Medical Sciences, Sari, Iran
| | - Abouzar Bagheri
- Department of Clinical Biochemistry-Biophysics and Genetics, Immunogenetics Research Center, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mahdi Fakhar
- Department of Parasitology, Toxoplasmosis Research Center, Mazandaran Registry Center for Hydatid Cyst, Mazandaran University of Medical Sciences, Sari, Iran
- Iranian National Registry Center for Lophomoniasis and Toxoplasmosis, Imam Khomeini Hospital, Mazandaran University of Medical Sciences, Sari, Iran
| | - Alimohammad Moradi
- Department of General Surgery Division of HPB and Transplantation Surgery, Tehran University of Medical Sciences, Tehran, Iran
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Li J, Ma G, Yan M, Liu H, Zhang K, Lin R, Lü G. Subcutaneous infection mouse model could be applied into real time monitoring the efficacy of anti-cystic echinococcosis drug in vivo. Acta Trop 2023; 238:106802. [PMID: 36565837 DOI: 10.1016/j.actatropica.2022.106802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 12/07/2022] [Accepted: 12/21/2022] [Indexed: 12/24/2022]
Abstract
Cystic echinococcosis (CE) is a zoonotic parasitic disease with a cosmopolitan distribution, and it is urgent to develop novel anti-helminthic agents. The intraperitoneal (ip) infection mice model was widely used to evaluate the efficacy of potential anti-CE compounds. Still, it's time-consuming, and the inability to achieve real-time monitoring hinders the development of potential anti-CE compounds. In this study, a CE mouse model was established by subcutaneous (sc) injection of protoscoleces of Echinococcus granulosus sensu stricto (E.granulosus s.s.) and used to assess the efficiency and efficacy of prospective anti-CE drugs. Compared to the ip infection CE mice model, the lesion volume of sc infection protoscoleces of E.granulosus s.s. (EgPSCs) could be measured by vernier caliper at week 6 post-infection. In contrast, the lesion volume of ip infection CE mice model was detected by ultrasound-assisted diagnosis at week 16 post-infection. Oral administration of albendazole (ABZ) could reduce cystic weight by 32.17% and 17.61%, the cystic number by 12.24% and 25.19%, and damage the ultrastructure of the cysts of E. granulosus s.s. in the sc and ip infection group, respectively. Furthermore, we found that the sc infection mice model could real-time monitor the lesion volume of E. granulosus s.s. during the ABZ and everolimus treatment. Therefore, we consider that the sc infection CE mice model is an assistant tool for screening and developing potential anti-CE compounds.
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Affiliation(s)
- Jintian Li
- State Key Laboratory of Pathogenesis, Prevention, and Treatment of Central Asian High Incidence Diseases, Clinical Medical Research Institute, First Affiliated Hospital of Xinjiang Medical University, China; Xinjiang Key Laboratory of Echinococcosis, Clinical Medicine Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; College of pharmacy, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Guizhi Ma
- State Key Laboratory of Pathogenesis, Prevention, and Treatment of Central Asian High Incidence Diseases, Clinical Medical Research Institute, First Affiliated Hospital of Xinjiang Medical University, China; Xinjiang Key Laboratory of Echinococcosis, Clinical Medicine Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; College of pharmacy, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Mingzhi Yan
- State Key Laboratory of Pathogenesis, Prevention, and Treatment of Central Asian High Incidence Diseases, Clinical Medical Research Institute, First Affiliated Hospital of Xinjiang Medical University, China; Xinjiang Key Laboratory of Echinococcosis, Clinical Medicine Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; College of pharmacy, Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Hui Liu
- State Key Laboratory of Pathogenesis, Prevention, and Treatment of Central Asian High Incidence Diseases, Clinical Medical Research Institute, First Affiliated Hospital of Xinjiang Medical University, China; Xinjiang Key Laboratory of Echinococcosis, Clinical Medicine Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Kainan Zhang
- State Key Laboratory of Pathogenesis, Prevention, and Treatment of Central Asian High Incidence Diseases, Clinical Medical Research Institute, First Affiliated Hospital of Xinjiang Medical University, China; Xinjiang Key Laboratory of Echinococcosis, Clinical Medicine Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China
| | - Renyong Lin
- State Key Laboratory of Pathogenesis, Prevention, and Treatment of Central Asian High Incidence Diseases, Clinical Medical Research Institute, First Affiliated Hospital of Xinjiang Medical University, China; Xinjiang Key Laboratory of Echinococcosis, Clinical Medicine Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China.
| | - Guodong Lü
- State Key Laboratory of Pathogenesis, Prevention, and Treatment of Central Asian High Incidence Diseases, Clinical Medical Research Institute, First Affiliated Hospital of Xinjiang Medical University, China; Xinjiang Key Laboratory of Echinococcosis, Clinical Medicine Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, China; College of pharmacy, Xinjiang Medical University, Urumqi, Xinjiang, China.
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Hadipour M, Fasihi Harandi M, Mirhendi H, Yousofi Darani H. Diagnosis of echinococcosis by detecting circulating cell-free DNA and miRNA. Expert Rev Mol Diagn 2023; 23:133-142. [PMID: 36756744 DOI: 10.1080/14737159.2023.2178903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
INTRODUCTION Diagnosis of echinococcosis is difficult and usually performed based on clinical findings, imaging, and serological test. However, all of them have limitations, especially in follow-up approaches. AREAS COVERED Detection of cell-free DNA (cfDNA) and micro-RNA (miRNA) is currently a hot topic for diagnosis of echinococcosis diseases. For detecting cell-free DNA in echinococcosis patient's samples such as sera, some techniques are based on next-generation sequencing (NGS), DNA-deep sequencing, some are based on PCR-based methods, and a few works related to the detection of miRNA for the diagnosis of human echinococcosis. EXPERT OPINION In the detection of cell-free DNA in echinococcosis patient' samples, NGS and DNA-deep sequencing have shown high level of sensitivity, but are not suitable for routine clinical examination as they are expensive and inaccessible in the majority of endemic areas. However, PCR-based methods have shown a sensitivity of about 20-25%. To improve the sensitivity of these tests, improving the DNA extraction method, designing appropriate primers for detecting short-length fragments of circulating DNA, using a higher volume of a serum sample, and application of more sensitive PCR methods are recommended. In the field of miRNA detection, further works are recommended.
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Affiliation(s)
- Mahboubeh Hadipour
- Department of parasitology and mycology, Faculty of medicine, Isfahan University of Medical sciences, Isfahan, Iran
| | - Majid Fasihi Harandi
- Research center for Hydatid disease in Iran, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Hossein Mirhendi
- Department of parasitology and mycology, Faculty of medicine, Isfahan University of Medical sciences, Isfahan, Iran
| | - Hossein Yousofi Darani
- Department of parasitology and mycology, Faculty of medicine, Isfahan University of Medical sciences, Isfahan, Iran
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Knapp J, Lallemand S, Monnien F, Felix S, Courquet S, Umhang G, Millon L. Real-time multiplex PCR for human echinococcosis and differential diagnosis. Parasite 2023; 30:3. [PMID: 36700708 PMCID: PMC9886084 DOI: 10.1051/parasite/2023003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 01/06/2023] [Indexed: 01/27/2023] Open
Abstract
Molecular identification of rare human infectious pathogens appears to be one of the most relevant current methods for rapid diagnosis and management of patients. PCR techniques, in particular real-time quantitative PCR, are best suited for the detection of DNA from the pathogens, even at low concentrations. Echinococcosis infections are due to helminths of the Echinococcus genus, with closely related species involved in parasitic lesions affecting animals and, accidentally, humans. We developed a multiplex qPCR (MLX qPCR) assay allowing for the detection of four Echinococcus species involved in Europe in alveolar echinococcosis (AE) and cystic echinococcosis (CE) (Echinococcus multilocularis, E. granulosus sensu stricto, E. ortleppi, and E. canadensis), based on short mitochondrial targets. A collection of 81 fresh and formalin-fixed paraffin-embedded tissues (FFPE) of AE and CE lesions was assembled. The qPCR assays were performed in triplex for Echinococcus spp. detection, associated with a qPCR inhibitor control. A duplex qPCR was also designed to enable diagnosis of two other dead-end helminthiases (cysticercosis (Taenia solium), and toxocariasis (Toxocara cati and T. canis)). The sensitivity of the qPCR was assessed and ranged from 1 to 5 × 10-4 ng/μL (seven PCR assays positive), corresponding to 37-42 cycles for quantifiable DNA. The specificity was 100% for all the targets. This multiplex qPCR, adapted to low amounts of DNA can be implemented in the laboratory for the rapid molecular diagnosis of Echinococcosis species.
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Affiliation(s)
- Jenny Knapp
- Department of Parasitology-Mycology, National Reference Centre for Echinococcoses, University Hospital of Besançon 25030 Besançon France,UMR CNRS 6249 Laboratoire Chrono-environnement, University of Franche-Comté 16 Route de Gray 25030 Besançon France,Corresponding author:
| | - Séverine Lallemand
- UMR CNRS 6249 Laboratoire Chrono-environnement, University of Franche-Comté 16 Route de Gray 25030 Besançon France
| | - Franck Monnien
- Department of Pathology, University Hospital of Besançon 25030 Besançon France
| | - Sophie Felix
- Department of Pathology, University Hospital of Besançon 25030 Besançon France
| | - Sandra Courquet
- Department of Parasitology-Mycology, National Reference Centre for Echinococcoses, University Hospital of Besançon 25030 Besançon France,UMR CNRS 6249 Laboratoire Chrono-environnement, University of Franche-Comté 16 Route de Gray 25030 Besançon France
| | - Gérald Umhang
- ANSES Nancy laboratory for Rabies and Wildlife, National Reference Laboratory for Echinococcus spp., Wildlife Surveillance and Eco-epidemiology Unit, Technopole Agricole et Vétérinaire 54220 Malzéville France
| | - Laurence Millon
- Department of Parasitology-Mycology, National Reference Centre for Echinococcoses, University Hospital of Besançon 25030 Besançon France,UMR CNRS 6249 Laboratoire Chrono-environnement, University of Franche-Comté 16 Route de Gray 25030 Besançon France
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One-tube nested MGB Probe Real-time PCR assay for detection of Echinococcus multilocularis infection in plasma cell free DNA. Acta Trop 2022; 232:106518. [PMID: 35605672 DOI: 10.1016/j.actatropica.2022.106518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 04/29/2022] [Accepted: 05/13/2022] [Indexed: 11/24/2022]
Abstract
INTRODUCTION The main objective of this study was to develop a One-tube nested MGB probe real-time PCR Assay for detecting Echinococcus multilocularis infection in human plasma cell free DNA (cfDNA). METHODS cfDNA was extracted from 10 E.m.-infected patients using a NucleoSnap DNA Plasma Kit and characterized by genomic sequencing. We designed nested PCR primers and MGB probe for Echinococcus multilocularis detection. The specificity, sensitivity and reproducibility of this assay were analyzed, and its validity was confirmed in 13 early stage clinical samples. RESULTS Several Echinococcus multilocularis-specific sequences were detected in the cfDNA of E.m.-infected patients, and CBLO020001206.1 was selected as the candidate sequence. We designed the primers and probe for the one tube nested real-time PCR. No cross-reactions with E.g. were observed. The detection limit was as low as 1 copy for Echinococcus multilocularis. The coefficients of variation were lower than 5% in intra- and inter-assays. 11 out of 13 patients were positive with nested MGB Probe PCR Assay and 3 patients were positive without outer primer in early stage Alveolar Echinococcosis pateints. CONCLUSION The one-tube nested MGB probe real-time PCR assay is a simple, rapid, and cost-effective method for detection of Echinococcus multilocularis infection in patients' Plasma DNA.
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Ozturk EA, Caner A. Liquid Biopsy for Promising Non-invasive Diagnostic Biomarkers in Parasitic Infections. Acta Parasitol 2022; 67:1-17. [PMID: 34176040 DOI: 10.1007/s11686-021-00444-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 06/16/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND Liquid biopsy refers to the sampling and molecular analysis of body fluids such as blood, saliva, and urine in contrast to conventional tissue biopsies. Liquid biopsy approach can offer powerful non-invasive biomarkers (circulating markers) for diagnosis and monitoring treatment response of a variety of diseases, including parasitic infections. METHODS In this review, we concentrate on cell-free DNA (cfDNA), microRNA (miRNA), and exosomes in the published literature. RESULTS Considering the high prevalence and severity of parasitic infections worldwide, circulating biomarkers can provide a new insight into the diagnosis and prognosis of parasites in the near future. Moreover, identifying and characterizing parasite- or host-derived circulating markers are important for a better understanding of the pathogenesis of parasite infection and host-parasite relationship at the molecular level. Profiling of biomarkers for parasitic diseases is a promising potential field, though further studies and optimization strategies are required, both in vitro and in vivo. CONCLUSION In this review, we discuss three approaches in the liquid biopsy including circulating cfDNA, miRNAs, and exosomes for diagnosis and evaluation of parasites and summarize circulating biomarkers in non-invasive samples during parasitic infections.
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Affiliation(s)
- Eylem Akdur Ozturk
- Department of Parasitology, Çukurova University Faculty of Medicine, Adana, Turkey
| | - Ayse Caner
- Department of Parasitology, Ege University Faculty of Medicine, 35100, Izmir, Turkey.
- Cancer Research Center, Ege University, Izmir, Turkey.
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Selection of new diagnostic markers for Dirofilaria repens infections with the use of phage display technology. Sci Rep 2022; 12:2288. [PMID: 35145147 PMCID: PMC8831495 DOI: 10.1038/s41598-022-06116-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Accepted: 01/20/2022] [Indexed: 11/09/2022] Open
Abstract
Dirofilaria repens is a parasitic nematode causing vector-borne disease (dirofilariasis), considered an emerging problem in veterinary and human medicine. Although main hosts are carnivores, particularly dogs, D. repens shows high zoonotic potential. The disease spreads uncontrollably, affecting new areas. Since there is no vaccine against dirofilariasis, the only way to limit disease transmission is an early diagnosis. Currently, diagnosis depends on the detection of microfilariae in the host bloodstream using modified Knott's test or multiplex PCR. However, the efficacy of tests relying on microfilariae detection is limited by microfilariae periodic occurrence. Therefore, a new reliable diagnostic test is required. Our study aimed to select new diagnostic markers for dirofilariasis with potential application in diagnostics. We focused on single epitopes to ensure high specificity of diagnosis and avoid cross-reactivity with the other parasite infections common in dogs. Using phage display technology and 12-mer peptides library, we selected epitopes highly reactive with IgG from sera of infected dogs. Additionally, our study presents the possibility of detecting D. repens specific cell-free DNA in dogs with no microfilaria but high IgG and IgM antibody levels against parasite somatic antigen.
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Knapp J, Lallemand S, Monnien F, Felix S, Valmary-Degano S, Courquet S, Demonmerot F, Heyd B, Turco C, Doussot A, Bourgeois L, Bresson-Hadni S, Richou C, Millon L. Molecular diagnosis of alveolar echinococcosis in patients based on frozen and formalin-fixed paraffin-embedded tissue samples. Parasite 2022; 29:4. [PMID: 35113014 PMCID: PMC8812296 DOI: 10.1051/parasite/2022004] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 01/14/2022] [Indexed: 11/14/2022] Open
Abstract
Confirmed diagnosis of alveolar echinococcosis (AE) is based on pathological criteria and molecular evidence. This parasite-borne disease, caused by the cestode Echinococcus multilocularis, sparingly involves humans as a dead-end host. In humans, the parasite mainly colonizes the liver but can colonize any organ and cause atypical forms, often difficult to characterize clinically. Moreover, molecular methods may be suitable to make the diagnosis of AE in cases of atypical forms, extra-hepatic localizations, or immunosuppressed patients. The aim of this study was to determine the most relevant published PCR techniques, for diagnosis of AE in patients and adopt the best strategy for molecular diagnosis depending on the nature of the tested sample. In this study, we evaluated nine end-point PCR assays and one real-time PCR assay (qPCR), targeting mitochondrial genes, using a total of 89 frozen or formalin-fixed paraffin-embedded (FFPE) samples from either 48 AE or 9 cystic echinococcosis patients. Targeted fragment-genes ranged from 84 to 529 bp. Six PCR assays were able to amplify the DNA of 100% of the frozen AE-samples and for one PCR, 69.8% of the FFPE AE-samples. The 16S rrnL PCR (84 bp) was positive in PCR for 77% of the AE samples and in qPCR for 86.5%. The sensitivity of the PCR assays was higher for fresh samples and FFPE samples stored for less than 5 years. The qPCR assay further increased sensitivity for the tested samples, confirming the need for the development of an Echinococcus spp. qPCR to improve the molecular diagnosis of echinococcoses.
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Affiliation(s)
- Jenny Knapp
- Department of Parasitology-Mycology, National Reference Centre for Echinococcoses, University Hospital of Besançon, 25030 Besançon, France - UMR CNRS 6249 Laboratoire Chrono-environnement, Université Bourgogne-Franche-Comté, 16 Route de Gray, 25030 Besançon, France
| | - Séverine Lallemand
- Department of Parasitology-Mycology, National Reference Centre for Echinococcoses, University Hospital of Besançon, 25030 Besançon, France
| | - Franck Monnien
- Department of Pathology, University Hospital of Besançon, 25030 Besançon, France
| | - Sophie Felix
- Department of Pathology, University Hospital of Besançon, 25030 Besançon, France
| | - Séverine Valmary-Degano
- Department of Pathology, University Hospital of Besançon, 25030 Besançon, France - Department of Pathology, University Hospital of Grenoble-Alps, 38043 Grenoble, France
| | - Sandra Courquet
- Department of Parasitology-Mycology, National Reference Centre for Echinococcoses, University Hospital of Besançon, 25030 Besançon, France - UMR CNRS 6249 Laboratoire Chrono-environnement, Université Bourgogne-Franche-Comté, 16 Route de Gray, 25030 Besançon, France
| | - Florent Demonmerot
- Department of Parasitology-Mycology, National Reference Centre for Echinococcoses, University Hospital of Besançon, 25030 Besançon, France
| | - Bruno Heyd
- Visceral, Digestive and Cancer Surgery, Hepatic Transplantation Unit, University Hospital of Besançon, 25030 Besançon, France
| | - Celia Turco
- Department of Digestive Surgery, Hepato-Biliary-Pancreatic and Liver Transplantation, AP-HP Pitié-Salpêtrière Hospital - Charles-Foix, 75651 Paris, France
| | - Alexandre Doussot
- Visceral, Digestive and Cancer Surgery, Hepatic Transplantation Unit, University Hospital of Besançon, 25030 Besançon, France
| | - Lucie Bourgeois
- Department of Pathology, University Hospital of Besançon, 25030 Besançon, France
| | - Solange Bresson-Hadni
- Department of Parasitology-Mycology, National Reference Centre for Echinococcoses, University Hospital of Besançon, 25030 Besançon, France - UMR CNRS 6249 Laboratoire Chrono-environnement, Université Bourgogne-Franche-Comté, 16 Route de Gray, 25030 Besançon, France
| | - Carine Richou
- Department of Hepatology, University Hospital of Besançon, 25030 Besançon, France
| | - Laurence Millon
- Department of Parasitology-Mycology, National Reference Centre for Echinococcoses, University Hospital of Besançon, 25030 Besançon, France - UMR CNRS 6249 Laboratoire Chrono-environnement, Université Bourgogne-Franche-Comté, 16 Route de Gray, 25030 Besançon, France
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11
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Zhao Y, Shen S, Jin X, Wang W, Li J, Chen W. Cell-free DNA as a diagnostic tool for human echinococcosis. Trends Parasitol 2021; 37:943-946. [PMID: 34334318 DOI: 10.1016/j.pt.2021.07.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/12/2021] [Accepted: 07/13/2021] [Indexed: 02/08/2023]
Abstract
Echinococcosis is a major public health problem and an emerging/re-emerging disease. It was proposed that Echinococcus cell-free DNA (cfDNA) could be used in diagnosing human echinococcosis, though earlier attempts failed. Here, we update the research on detecting Echinococcus cfDNA in echinococcosis patients' samples and highlight future research directions.
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Affiliation(s)
- Yanping Zhao
- BGI-Shenzhen, Shenzhen 518000, China; Shenzhen Key Laboratory of Unknown Pathogen Identification, BGI-Shenzhen, Shenzhen 518000, China
| | - Shu Shen
- Department of Liver Surgery, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Xin Jin
- BGI-Shenzhen, Shenzhen 518000, China
| | - Wentao Wang
- Department of Liver Surgery, West China Hospital of Sichuan University, Chengdu 610041, China.
| | - Junhua Li
- BGI-Shenzhen, Shenzhen 518000, China; Shenzhen Key Laboratory of Unknown Pathogen Identification, BGI-Shenzhen, Shenzhen 518000, China. @genomics.cn
| | - Weijun Chen
- College of Life Science, University of Chinese Academy of Sciences, Shenzhen 518083, China; BGI PathoGenesis Pharmaceutical Technology, BGI-Shenzhen, Shenzhen 518000, China. @genomics.cn
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12
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Papaiakovou M, Littlewood DTJ, Gasser RB, Anderson RM. How qPCR complements the WHO roadmap (2021-2030) for soil-transmitted helminths. Trends Parasitol 2021; 37:698-708. [PMID: 33931342 DOI: 10.1016/j.pt.2021.04.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 04/02/2021] [Accepted: 04/08/2021] [Indexed: 12/19/2022]
Abstract
Complementing the launch of the World Health Organization (WHO) roadmap (2021-2030) we explore key elements needing attention before recruitment of qPCR as the main diagnostics tool to confirm reduction or elimination of soil-transmitted helminth (STH) transmission in both control and elimination programmes. Given the performance limitations of conventional methods, a proposed harmonised qPCR will provide a diagnostic tool, with the sensitivity and specificity required to monitor low-intensity infections, following mass drug administration (MDA). Technical and logistical challenges associated with introducing qPCR as a stand-alone tool are highlighted, and a decision-making scheme on how qPCR can support surveillance, resistance detection, and elimination is presented. An accurate point-of-care (POC) diagnostic test needs to be developed to support STH control in the field, and STH biorepositories need to be established and maintained to ensure that reference materials are available for research and validation.
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Affiliation(s)
- Marina Papaiakovou
- Department of Infectious Disease Epidemiology, St Mary's Campus, Imperial College London, London, UK; London Centre for Neglected Tropical Disease Research (LCNTDR), Imperial College London, London, UK.
| | - D Timothy J Littlewood
- Science Directorate, Natural History Museum, London, UK; London Centre for Neglected Tropical Disease Research (LCNTDR), Imperial College London, London, UK
| | - Robin B Gasser
- Department of Veterinary Biosciences, Melbourne Veterinary School, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Roy M Anderson
- Department of Infectious Disease Epidemiology, St Mary's Campus, Imperial College London, London, UK; London Centre for Neglected Tropical Disease Research (LCNTDR), Imperial College London, London, UK
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13
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Zhao Y, Gongsang Q, Ji J, Li J, Qi F, Li J, Qiangba G, Danzeng W, Chen F, Zhou H, Yin J, Pei N, Xie J, Cai H, Pang H, Li J, Chen W, Li B. Characterizing dynamic changes of plasma cell-free Echinococcus granulosus DNA before and after cystic echinococcosis treatment initiation. Genomics 2020; 113:576-582. [PMID: 33383141 DOI: 10.1016/j.ygeno.2020.12.035] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 12/16/2020] [Accepted: 12/24/2020] [Indexed: 01/10/2023]
Abstract
Over one million people are living with cystic echinococcosis (CE) and alveolar echinococcosis (AE). For CE, long-term albendazole treatment is often needed, which requires regular follow-up. Follow-up is mainly through imaging which is insensitive to subtle changes and subjective to experience. We investigated the changes of Echinococcus granulosus (Eg) cell-free DNA (cfDNA) in plasma of CE patients before and after albendazole treatment to evaluate its potential as an objective marker for treatment follow-up. Plasma samples of nine CE patients were collected before and after treatment. We identified Eg cfDNA from every sample through high-throughput sequencing. Eg cfDNA concentration and fragment length increased significantly after the treatment period. Ultrasound examination before and after the treatment initiation reflected the drug effects to a certain extent, as the cyst size of four patients reduced. Our findings indicated that Eg cfDNA from plasma could be a potential marker in the monitoring of CE treatment.
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Affiliation(s)
- Yanping Zhao
- BGI-Shenzhen, Shenzhen 518083, China; Shenzhen Key Laboratory of Unknown Pathogen Identification, BGI-Shenzhen, Shenzhen 518083, China
| | - Quzhen Gongsang
- Tibet Center for Disease Control and Prevention, Lhasa 850010, China; NHC Key Laboratory of Echinococcosis Prevention and Control, Lhasa 850010, China
| | - Jingkai Ji
- BGI-Shenzhen, Shenzhen 518083, China; Shenzhen Key Laboratory of Unknown Pathogen Identification, BGI-Shenzhen, Shenzhen 518083, China
| | - Junhua Li
- BGI-Shenzhen, Shenzhen 518083, China; Shenzhen Key Laboratory of Unknown Pathogen Identification, BGI-Shenzhen, Shenzhen 518083, China; School of Biology and Biological Engineering, South China University of Technology, Guangzhou, China
| | - Fahai Qi
- Seni District Health Commission, Naqu 852000, China
| | - Jiandong Li
- BGI-Shenzhen, Shenzhen 518083, China; Shenzhen Key Laboratory of Unknown Pathogen Identification, BGI-Shenzhen, Shenzhen 518083, China
| | - Gezhen Qiangba
- BGI-Shenzhen, Shenzhen 518083, China; Shenzhen Key Laboratory of Unknown Pathogen Identification, BGI-Shenzhen, Shenzhen 518083, China
| | - Wangmu Danzeng
- BGI-Shenzhen, Shenzhen 518083, China; BGI-Tibet, BGI-Shenzhen, Lhasa 850000, China
| | - Fang Chen
- BGI-Shenzhen, Shenzhen 518083, China; MGI, BGI-Shenzhen, Shenzhen 518083, China
| | - Hongcheng Zhou
- BGI-Shenzhen, Shenzhen 518083, China; China National GeneBank, BGI-Shenzhen, Shenzhen 518083, China
| | - Jiefang Yin
- BGI-Shenzhen, Shenzhen 518083, China; Shenzhen Key Laboratory of Unknown Pathogen Identification, BGI-Shenzhen, Shenzhen 518083, China
| | - Na Pei
- BGI-Shenzhen, Shenzhen 518083, China; Shenzhen Key Laboratory of Unknown Pathogen Identification, BGI-Shenzhen, Shenzhen 518083, China
| | - Jiandan Xie
- BGI-Shenzhen, Shenzhen 518083, China; Shenzhen Key Laboratory of Unknown Pathogen Identification, BGI-Shenzhen, Shenzhen 518083, China
| | - Huimin Cai
- BGI-Shenzhen, Shenzhen 518083, China; Shenzhen Key Laboratory of Unknown Pathogen Identification, BGI-Shenzhen, Shenzhen 518083, China
| | - Huasheng Pang
- Tibet Center for Disease Control and Prevention, Lhasa 850010, China; NHC Key Laboratory of Echinococcosis Prevention and Control, Lhasa 850010, China.
| | - Jingzhong Li
- Tibet Center for Disease Control and Prevention, Lhasa 850010, China; NHC Key Laboratory of Echinococcosis Prevention and Control, Lhasa 850010, China.
| | - Weijun Chen
- BGI Education Center, University of Chinese Academy of Sciences, Shenzhen 518083, China; BGI PathoGenesis Pharmaceutical Technology, BGI-Shenzhen, Shenzhen, China.
| | - Bin Li
- Second People's Hospital of Tibet Autonomous Region, Lhasa 850000, China.
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14
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Toribio L, Santivanez S, Scott AL, Enriquez R, Sedano C, Soto-Becerra P, Garcia HH, Shiff CJ. Diagnostic urinary cfDNA detected in human cystic echinococcosis. Mol Biochem Parasitol 2020; 239:111314. [PMID: 32866606 PMCID: PMC8801304 DOI: 10.1016/j.molbiopara.2020.111314] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/31/2020] [Accepted: 08/01/2020] [Indexed: 02/06/2023]
Abstract
Cystic echinococcosis (CE) is a major neglected tropical zoonotic disease caused by the tissue-dwelling larval stage of the cestode parasite Echinococcus granulosus. For individuals suspected of CE, the diagnostic standard is imaging using ultrasonography, X rays, or computed tomography. These resource-demanding and expensive procedures are rarely available in endemic rural areas where CE is most prevalent. There is a critical need for a new approach to identify CE patients so that they can be managed early in the course of their infection. This study reports on the results of a diagnostic approach that identifies E. granulosus-derived cell-free DNA (cfDNA) in the urine of CE patients. Utilizing PCR to amplify a fragment of a major tandem repeat element found in E. granulosus nuclear DNA, urine samples from all seven imaging-confirmed CE patients who harbored active liver cysts were positive. In addition, the urine samples from 2/4 patients who presented with non-viable/calcified liver cysts were also PCR positive for the repeat fragment. To our knowledge, this is the first report of using parasite cfDNA from urine to diagnose CE. This approach provides an easy to implement and cost-effective method to survey for the prevalence of E. granulosus in humans populations.
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Affiliation(s)
- Luz Toribio
- Center for Global Health, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Saul Santivanez
- Center for Global Health, Universidad Peruana Cayetano Heredia, Lima, Peru; Cysticercosis Unit, Instituto Nacional de Ciencias Neurologicas, Lima, Peru
| | - Alan L Scott
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, United States
| | - Raul Enriquez
- Center for Global Health, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Cesar Sedano
- Center for Global Health, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Percy Soto-Becerra
- Center for Global Health, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Hector H Garcia
- Center for Global Health, Universidad Peruana Cayetano Heredia, Lima, Peru; W. Harry Feinstone Department of Molecular Microbiology and Immunology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, United States
| | - Clive J Shiff
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, United States.
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